What powers stem.is?
Last seen May 2026 · 43 technologies across 24 categories
Analytics
Google Analytics
since Jun 2018
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Miscellaneous
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Security
Cloudflare Bot Management
since Feb 2022
Tag managers
Google Tag Manager
since Jun 2018
UI frameworks
Material Design Lite
since Aug 2018
Video Players
Web frameworks
Express
since Aug 2018
Widgets
Audience
- 63% desktop
- 37% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.72 / 10 · ranked #297,892 of all domains
99 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 14.1 MB · 65 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| app.stem.is | 23 |
| www.stem.is | 19 |
| stem.is | 12 |